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Diffstat (limited to 'src/mesa/pipe/draw/draw_vf_sse.c')
-rw-r--r--src/mesa/pipe/draw/draw_vf_sse.c614
1 files changed, 0 insertions, 614 deletions
diff --git a/src/mesa/pipe/draw/draw_vf_sse.c b/src/mesa/pipe/draw/draw_vf_sse.c
deleted file mode 100644
index 1ad2ae756d..0000000000
--- a/src/mesa/pipe/draw/draw_vf_sse.c
+++ /dev/null
@@ -1,614 +0,0 @@
-/*
- * Copyright 2003 Tungsten Graphics, inc.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * on the rights to use, copy, modify, merge, publish, distribute, sub
- * license, and/or sell copies of the Software, and to permit persons to whom
- * the Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
- * TUNGSTEN GRAPHICS AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
- * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
- * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
- * USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Keith Whitwell <keithw@tungstengraphics.com>
- */
-
-
-#include "simple_list.h"
-
-#include "pipe/p_compiler.h"
-
-#include "draw_vf.h"
-
-
-#if defined(USE_SSE_ASM)
-
-#include "x86/rtasm/x86sse.h"
-#include "x86/common_x86_asm.h"
-
-
-#define X 0
-#define Y 1
-#define Z 2
-#define W 3
-
-
-struct x86_program {
- struct x86_function func;
-
- struct draw_vertex_fetch *vf;
- boolean inputs_safe;
- boolean outputs_safe;
- boolean have_sse2;
-
- struct x86_reg identity;
- struct x86_reg chan0;
-};
-
-
-static struct x86_reg get_identity( struct x86_program *p )
-{
- return p->identity;
-}
-
-static void emit_load4f_4( struct x86_program *p,
- struct x86_reg dest,
- struct x86_reg arg0 )
-{
- sse_movups(&p->func, dest, arg0);
-}
-
-static void emit_load4f_3( struct x86_program *p,
- struct x86_reg dest,
- struct x86_reg arg0 )
-{
- /* Have to jump through some hoops:
- *
- * c 0 0 0
- * c 0 0 1
- * 0 0 c 1
- * a b c 1
- */
- sse_movss(&p->func, dest, x86_make_disp(arg0, 8));
- sse_shufps(&p->func, dest, get_identity(p), SHUF(X,Y,Z,W) );
- sse_shufps(&p->func, dest, dest, SHUF(Y,Z,X,W) );
- sse_movlps(&p->func, dest, arg0);
-}
-
-static void emit_load4f_2( struct x86_program *p,
- struct x86_reg dest,
- struct x86_reg arg0 )
-{
- /* Initialize from identity, then pull in low two words:
- */
- sse_movups(&p->func, dest, get_identity(p));
- sse_movlps(&p->func, dest, arg0);
-}
-
-static void emit_load4f_1( struct x86_program *p,
- struct x86_reg dest,
- struct x86_reg arg0 )
-{
- /* Pull in low word, then swizzle in identity */
- sse_movss(&p->func, dest, arg0);
- sse_shufps(&p->func, dest, get_identity(p), SHUF(X,Y,Z,W) );
-}
-
-
-
-static void emit_load3f_3( struct x86_program *p,
- struct x86_reg dest,
- struct x86_reg arg0 )
-{
- /* Over-reads by 1 dword - potential SEGV if input is a vertex
- * array.
- */
- if (p->inputs_safe) {
- sse_movups(&p->func, dest, arg0);
- }
- else {
- /* c 0 0 0
- * c c c c
- * a b c c
- */
- sse_movss(&p->func, dest, x86_make_disp(arg0, 8));
- sse_shufps(&p->func, dest, dest, SHUF(X,X,X,X));
- sse_movlps(&p->func, dest, arg0);
- }
-}
-
-static void emit_load3f_2( struct x86_program *p,
- struct x86_reg dest,
- struct x86_reg arg0 )
-{
- emit_load4f_2(p, dest, arg0);
-}
-
-static void emit_load3f_1( struct x86_program *p,
- struct x86_reg dest,
- struct x86_reg arg0 )
-{
- emit_load4f_1(p, dest, arg0);
-}
-
-static void emit_load2f_2( struct x86_program *p,
- struct x86_reg dest,
- struct x86_reg arg0 )
-{
- sse_movlps(&p->func, dest, arg0);
-}
-
-static void emit_load2f_1( struct x86_program *p,
- struct x86_reg dest,
- struct x86_reg arg0 )
-{
- emit_load4f_1(p, dest, arg0);
-}
-
-static void emit_load1f_1( struct x86_program *p,
- struct x86_reg dest,
- struct x86_reg arg0 )
-{
- sse_movss(&p->func, dest, arg0);
-}
-
-static void (*load[4][4])( struct x86_program *p,
- struct x86_reg dest,
- struct x86_reg arg0 ) = {
- { emit_load1f_1,
- emit_load1f_1,
- emit_load1f_1,
- emit_load1f_1 },
-
- { emit_load2f_1,
- emit_load2f_2,
- emit_load2f_2,
- emit_load2f_2 },
-
- { emit_load3f_1,
- emit_load3f_2,
- emit_load3f_3,
- emit_load3f_3 },
-
- { emit_load4f_1,
- emit_load4f_2,
- emit_load4f_3,
- emit_load4f_4 }
-};
-
-static void emit_load( struct x86_program *p,
- struct x86_reg dest,
- unsigned sz,
- struct x86_reg src,
- unsigned src_sz)
-{
- load[sz-1][src_sz-1](p, dest, src);
-}
-
-static void emit_store4f( struct x86_program *p,
- struct x86_reg dest,
- struct x86_reg arg0 )
-{
- sse_movups(&p->func, dest, arg0);
-}
-
-static void emit_store3f( struct x86_program *p,
- struct x86_reg dest,
- struct x86_reg arg0 )
-{
- if (p->outputs_safe) {
- /* Emit the extra dword anyway. This may hurt writecombining,
- * may cause other problems.
- */
- sse_movups(&p->func, dest, arg0);
- }
- else {
- /* Alternate strategy - emit two, shuffle, emit one.
- */
- sse_movlps(&p->func, dest, arg0);
- sse_shufps(&p->func, arg0, arg0, SHUF(Z,Z,Z,Z) ); /* NOTE! destructive */
- sse_movss(&p->func, x86_make_disp(dest,8), arg0);
- }
-}
-
-static void emit_store2f( struct x86_program *p,
- struct x86_reg dest,
- struct x86_reg arg0 )
-{
- sse_movlps(&p->func, dest, arg0);
-}
-
-static void emit_store1f( struct x86_program *p,
- struct x86_reg dest,
- struct x86_reg arg0 )
-{
- sse_movss(&p->func, dest, arg0);
-}
-
-
-static void (*store[4])( struct x86_program *p,
- struct x86_reg dest,
- struct x86_reg arg0 ) =
-{
- emit_store1f,
- emit_store2f,
- emit_store3f,
- emit_store4f
-};
-
-static void emit_store( struct x86_program *p,
- struct x86_reg dest,
- unsigned sz,
- struct x86_reg temp )
-
-{
- store[sz-1](p, dest, temp);
-}
-
-static void emit_pack_store_4ub( struct x86_program *p,
- struct x86_reg dest,
- struct x86_reg temp )
-{
- /* Scale by 255.0
- */
- sse_mulps(&p->func, temp, p->chan0);
-
- if (p->have_sse2) {
- sse2_cvtps2dq(&p->func, temp, temp);
- sse2_packssdw(&p->func, temp, temp);
- sse2_packuswb(&p->func, temp, temp);
- sse_movss(&p->func, dest, temp);
- }
- else {
- struct x86_reg mmx0 = x86_make_reg(file_MMX, 0);
- struct x86_reg mmx1 = x86_make_reg(file_MMX, 1);
- sse_cvtps2pi(&p->func, mmx0, temp);
- sse_movhlps(&p->func, temp, temp);
- sse_cvtps2pi(&p->func, mmx1, temp);
- mmx_packssdw(&p->func, mmx0, mmx1);
- mmx_packuswb(&p->func, mmx0, mmx0);
- mmx_movd(&p->func, dest, mmx0);
- }
-}
-
-static int get_offset( const void *a, const void *b )
-{
- return (const char *)b - (const char *)a;
-}
-
-/* Not much happens here. Eventually use this function to try and
- * avoid saving/reloading the source pointers each vertex (if some of
- * them can fit in registers).
- */
-static void get_src_ptr( struct x86_program *p,
- struct x86_reg srcREG,
- struct x86_reg vfREG,
- struct draw_vf_attr *a )
-{
- struct draw_vertex_fetch *vf = p->vf;
- struct x86_reg ptr_to_src = x86_make_disp(vfREG, get_offset(vf, &a->inputptr));
-
- /* Load current a[j].inputptr
- */
- x86_mov(&p->func, srcREG, ptr_to_src);
-}
-
-static void update_src_ptr( struct x86_program *p,
- struct x86_reg srcREG,
- struct x86_reg vfREG,
- struct draw_vf_attr *a )
-{
- if (a->inputstride) {
- struct draw_vertex_fetch *vf = p->vf;
- struct x86_reg ptr_to_src = x86_make_disp(vfREG, get_offset(vf, &a->inputptr));
-
- /* add a[j].inputstride (hardcoded value - could just as easily
- * pull the stride value from memory each time).
- */
- x86_lea(&p->func, srcREG, x86_make_disp(srcREG, a->inputstride));
-
- /* save new value of a[j].inputptr
- */
- x86_mov(&p->func, ptr_to_src, srcREG);
- }
-}
-
-
-/* Lots of hardcoding
- *
- * EAX -- pointer to current output vertex
- * ECX -- pointer to current attribute
- *
- */
-static boolean build_vertex_emit( struct x86_program *p )
-{
- struct draw_vertex_fetch *vf = p->vf;
- unsigned j = 0;
-
- struct x86_reg vertexEAX = x86_make_reg(file_REG32, reg_AX);
- struct x86_reg srcECX = x86_make_reg(file_REG32, reg_CX);
- struct x86_reg countEBP = x86_make_reg(file_REG32, reg_BP);
- struct x86_reg vfESI = x86_make_reg(file_REG32, reg_SI);
- struct x86_reg temp = x86_make_reg(file_XMM, 0);
- uint8_t *fixup, *label;
-
- /* Push a few regs?
- */
- x86_push(&p->func, countEBP);
- x86_push(&p->func, vfESI);
-
-
- /* Get vertex count, compare to zero
- */
- x86_xor(&p->func, srcECX, srcECX);
- x86_mov(&p->func, countEBP, x86_fn_arg(&p->func, 2));
- x86_cmp(&p->func, countEBP, srcECX);
- fixup = x86_jcc_forward(&p->func, cc_E);
-
- /* Initialize destination register.
- */
- x86_mov(&p->func, vertexEAX, x86_fn_arg(&p->func, 3));
-
- /* Move argument 1 (vf) into a reg:
- */
- x86_mov(&p->func, vfESI, x86_fn_arg(&p->func, 1));
-
-
- /* always load, needed or not:
- */
- sse_movups(&p->func, p->identity, x86_make_disp(vfESI, get_offset(vf, &vf->identity[0])));
-
- /* Note address for loop jump */
- label = x86_get_label(&p->func);
-
- /* Emit code for each of the attributes. Currently routes
- * everything through SSE registers, even when it might be more
- * efficient to stick with regular old x86. No optimization or
- * other tricks - enough new ground to cover here just getting
- * things working.
- */
- while (j < vf->attr_count) {
- struct draw_vf_attr *a = &vf->attr[j];
- struct x86_reg dest = x86_make_disp(vertexEAX, a->vertoffset);
-
- /* Now, load an XMM reg from src, perhaps transform, then save.
- * Could be shortcircuited in specific cases:
- */
- switch (a->format) {
- case DRAW_EMIT_1F:
- case DRAW_EMIT_1F_CONST:
- get_src_ptr(p, srcECX, vfESI, a);
- emit_load(p, temp, 1, x86_deref(srcECX), a->inputsize);
- emit_store(p, dest, 1, temp);
- update_src_ptr(p, srcECX, vfESI, a);
- break;
- case DRAW_EMIT_2F:
- case DRAW_EMIT_2F_CONST:
- get_src_ptr(p, srcECX, vfESI, a);
- emit_load(p, temp, 2, x86_deref(srcECX), a->inputsize);
- emit_store(p, dest, 2, temp);
- update_src_ptr(p, srcECX, vfESI, a);
- break;
- case DRAW_EMIT_3F:
- case DRAW_EMIT_3F_CONST:
- /* Potentially the worst case - hardcode 2+1 copying:
- */
- if (0) {
- get_src_ptr(p, srcECX, vfESI, a);
- emit_load(p, temp, 3, x86_deref(srcECX), a->inputsize);
- emit_store(p, dest, 3, temp);
- update_src_ptr(p, srcECX, vfESI, a);
- }
- else {
- get_src_ptr(p, srcECX, vfESI, a);
- emit_load(p, temp, 2, x86_deref(srcECX), a->inputsize);
- emit_store(p, dest, 2, temp);
- if (a->inputsize > 2) {
- emit_load(p, temp, 1, x86_make_disp(srcECX, 8), 1);
- emit_store(p, x86_make_disp(dest,8), 1, temp);
- }
- else {
- sse_movss(&p->func, x86_make_disp(dest,8), get_identity(p));
- }
- update_src_ptr(p, srcECX, vfESI, a);
- }
- break;
- case DRAW_EMIT_4F:
- case DRAW_EMIT_4F_CONST:
- get_src_ptr(p, srcECX, vfESI, a);
- emit_load(p, temp, 4, x86_deref(srcECX), a->inputsize);
- emit_store(p, dest, 4, temp);
- update_src_ptr(p, srcECX, vfESI, a);
- break;
- case DRAW_EMIT_3F_XYW:
- get_src_ptr(p, srcECX, vfESI, a);
- emit_load(p, temp, 4, x86_deref(srcECX), a->inputsize);
- sse_shufps(&p->func, temp, temp, SHUF(X,Y,W,Z));
- emit_store(p, dest, 3, temp);
- update_src_ptr(p, srcECX, vfESI, a);
- break;
-
- case DRAW_EMIT_1UB_1F:
- /* Test for PAD3 + 1UB:
- */
- if (j > 0 &&
- a[-1].vertoffset + a[-1].vertattrsize <= a->vertoffset - 3)
- {
- get_src_ptr(p, srcECX, vfESI, a);
- emit_load(p, temp, 1, x86_deref(srcECX), a->inputsize);
- sse_shufps(&p->func, temp, temp, SHUF(X,X,X,X));
- emit_pack_store_4ub(p, x86_make_disp(dest, -3), temp); /* overkill! */
- update_src_ptr(p, srcECX, vfESI, a);
- }
- else {
- debug_printf("Can't emit 1ub %x %x %d\n",
- a->vertoffset, a[-1].vertoffset, a[-1].vertattrsize );
- return FALSE;
- }
- break;
- case DRAW_EMIT_3UB_3F_RGB:
- case DRAW_EMIT_3UB_3F_BGR:
- /* Test for 3UB + PAD1:
- */
- if (j == vf->attr_count - 1 ||
- a[1].vertoffset >= a->vertoffset + 4) {
- get_src_ptr(p, srcECX, vfESI, a);
- emit_load(p, temp, 3, x86_deref(srcECX), a->inputsize);
- if (a->format == DRAW_EMIT_3UB_3F_BGR)
- sse_shufps(&p->func, temp, temp, SHUF(Z,Y,X,W));
- emit_pack_store_4ub(p, dest, temp);
- update_src_ptr(p, srcECX, vfESI, a);
- }
- /* Test for 3UB + 1UB:
- */
- else if (j < vf->attr_count - 1 &&
- a[1].format == DRAW_EMIT_1UB_1F &&
- a[1].vertoffset == a->vertoffset + 3) {
- get_src_ptr(p, srcECX, vfESI, a);
- emit_load(p, temp, 3, x86_deref(srcECX), a->inputsize);
- update_src_ptr(p, srcECX, vfESI, a);
-
- /* Make room for incoming value:
- */
- sse_shufps(&p->func, temp, temp, SHUF(W,X,Y,Z));
-
- get_src_ptr(p, srcECX, vfESI, &a[1]);
- emit_load(p, temp, 1, x86_deref(srcECX), a[1].inputsize);
- update_src_ptr(p, srcECX, vfESI, &a[1]);
-
- /* Rearrange and possibly do BGR conversion:
- */
- if (a->format == DRAW_EMIT_3UB_3F_BGR)
- sse_shufps(&p->func, temp, temp, SHUF(W,Z,Y,X));
- else
- sse_shufps(&p->func, temp, temp, SHUF(Y,Z,W,X));
-
- emit_pack_store_4ub(p, dest, temp);
- j++; /* NOTE: two attrs consumed */
- }
- else {
- debug_printf("Can't emit 3ub\n");
- }
- return FALSE; /* add this later */
- break;
-
- case DRAW_EMIT_4UB_4F_RGBA:
- get_src_ptr(p, srcECX, vfESI, a);
- emit_load(p, temp, 4, x86_deref(srcECX), a->inputsize);
- emit_pack_store_4ub(p, dest, temp);
- update_src_ptr(p, srcECX, vfESI, a);
- break;
- case DRAW_EMIT_4UB_4F_BGRA:
- get_src_ptr(p, srcECX, vfESI, a);
- emit_load(p, temp, 4, x86_deref(srcECX), a->inputsize);
- sse_shufps(&p->func, temp, temp, SHUF(Z,Y,X,W));
- emit_pack_store_4ub(p, dest, temp);
- update_src_ptr(p, srcECX, vfESI, a);
- break;
- case DRAW_EMIT_4UB_4F_ARGB:
- get_src_ptr(p, srcECX, vfESI, a);
- emit_load(p, temp, 4, x86_deref(srcECX), a->inputsize);
- sse_shufps(&p->func, temp, temp, SHUF(W,X,Y,Z));
- emit_pack_store_4ub(p, dest, temp);
- update_src_ptr(p, srcECX, vfESI, a);
- break;
- case DRAW_EMIT_4UB_4F_ABGR:
- get_src_ptr(p, srcECX, vfESI, a);
- emit_load(p, temp, 4, x86_deref(srcECX), a->inputsize);
- sse_shufps(&p->func, temp, temp, SHUF(W,Z,Y,X));
- emit_pack_store_4ub(p, dest, temp);
- update_src_ptr(p, srcECX, vfESI, a);
- break;
- default:
- debug_printf("unknown a[%d].format %d\n", j, a->format);
- return FALSE; /* catch any new opcodes */
- }
-
- /* Increment j by at least 1 - may have been incremented above also:
- */
- j++;
- }
-
- /* Next vertex:
- */
- x86_lea(&p->func, vertexEAX, x86_make_disp(vertexEAX, vf->vertex_stride));
-
- /* decr count, loop if not zero
- */
- x86_dec(&p->func, countEBP);
- x86_test(&p->func, countEBP, countEBP);
- x86_jcc(&p->func, cc_NZ, label);
-
- /* Exit mmx state?
- */
- if (p->func.need_emms)
- mmx_emms(&p->func);
-
- /* Land forward jump here:
- */
- x86_fixup_fwd_jump(&p->func, fixup);
-
- /* Pop regs and return
- */
- x86_pop(&p->func, x86_get_base_reg(vfESI));
- x86_pop(&p->func, countEBP);
- x86_ret(&p->func);
-
- vf->emit = (draw_vf_emit_func)x86_get_func(&p->func);
- return TRUE;
-}
-
-
-
-void draw_vf_generate_sse_emit( struct draw_vertex_fetch *vf )
-{
- struct x86_program p;
-
- if (!cpu_has_xmm) {
- vf->codegen_emit = NULL;
- return;
- }
-
- memset(&p, 0, sizeof(p));
-
- p.vf = vf;
- p.inputs_safe = 0; /* for now */
- p.outputs_safe = 1; /* for now */
- p.have_sse2 = cpu_has_xmm2;
- p.identity = x86_make_reg(file_XMM, 6);
- p.chan0 = x86_make_reg(file_XMM, 7);
-
- x86_init_func(&p.func);
-
- if (build_vertex_emit(&p)) {
- draw_vf_register_fastpath( vf, TRUE );
- }
- else {
- /* Note the failure so that we don't keep trying to codegen an
- * impossible state:
- */
- draw_vf_register_fastpath( vf, FALSE );
- x86_release_func(&p.func);
- }
-}
-
-#else
-
-void draw_vf_generate_sse_emit( struct draw_vertex_fetch *vf )
-{
- /* Dummy version for when USE_SSE_ASM not defined */
-}
-
-#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-15 00:04:20 +0000